Bento4 MP4 SDK: Ap4StszAtom.h Source File

Bento4 MP4 SDK

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Ap4StszAtom.h

00001 /*****************************************************************
00002 |
00003 |    AP4 - stsz Atoms 
00004 |
00005 |    Copyright 2002-2008 Axiomatic Systems, LLC
00006 |
00007 |
00008 |    This file is part of Bento4/AP4 (MP4 Atom Processing Library).
00009 |
00010 |    Unless you have obtained Bento4 under a difference license,
00011 |    this version of Bento4 is Bento4|GPL.
00012 |    Bento4|GPL is free software; you can redistribute it and/or modify
00013 |    it under the terms of the GNU General Public License as published by
00014 |    the Free Software Foundation; either version 2, or (at your option)
00015 |    any later version.
00016 |
00017 |    Bento4|GPL is distributed in the hope that it will be useful,
00018 |    but WITHOUT ANY WARRANTY; without even the implied warranty of
00019 |    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020 |    GNU General Public License for more details.
00021 |
00022 |    You should have received a copy of the GNU General Public License
00023 |    along with Bento4|GPL; see the file COPYING.  If not, write to the
00024 |    Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
00025 |    02111-1307, USA.
00026 |
00027  ****************************************************************/
00028 
00029 #ifndef _AP4_STSZ_ATOM_H_
00030 #define _AP4_STSZ_ATOM_H_
00031 
00032 /*----------------------------------------------------------------------
00033 |   includes
00034 +---------------------------------------------------------------------*/
00035 #include "Ap4Array.h"
00036 #include "Ap4Atom.h"
00037 
00038 /*----------------------------------------------------------------------
00039 |   AP4_StszAtom
00040 +---------------------------------------------------------------------*/
00041 class AP4_StszAtom : public AP4_Atom
00042 {
00043 public:
00044     AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_StszAtom, AP4_Atom)
00045 
00046     // class methods
00047     static AP4_StszAtom* Create(AP4_Size size, AP4_ByteStream& stream);
00048 
00049     // methods
00050     AP4_StszAtom();
00051     virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
00052     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
00053     virtual AP4_UI32   GetSampleCount();
00054     virtual AP4_Result GetSampleSize(AP4_Ordinal sample, 
00055                                      AP4_Size&   sample_size);
00066     virtual AP4_Result SetSampleSize(AP4_Ordinal sample, 
00067                                      AP4_Size    sample_size);
00068     virtual AP4_Result AddEntry(AP4_UI32 size);
00069 
00070 private:
00071     // methods
00072     AP4_StszAtom(AP4_UI32        size, 
00073                  AP4_UI32        version,
00074                  AP4_UI32        flags,
00075                  AP4_ByteStream& stream);
00076 
00077     // members
00078     AP4_UI32            m_SampleSize;
00079     AP4_UI32            m_SampleCount;
00080     AP4_Array<AP4_UI32> m_Entries;
00081 };
00082 
00083 #endif // _AP4_STSZ_ATOM_H_
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